The AS568-239 3-5/8" ID x 3-7/8" OD x 1/8" SIMRIZ SZ485 O-Ring from Freudenberg-NOK Dichtomatik is designed for high-performance sealing in various applications. Made from advanced SIMRIZ material, this O-Ring offers exceptional resistance to heat, chemicals, and wear. With precise dimensions, it fits seamlessly into standard AS568 applications, ensuring a reliable seal to prevent leakage. Ideal for use in automotive, industrial, and hydraulic systems, this O-Ring enhances operational efficiency and protects critical components from contamination.